SKY 603-0606 Sight Glass Male Flare x Female Flare 3/8"
The SKY 603-0606 is a 3/8" male flare x female flare sight glass designed for refrigeration and HVAC-R liquid line applications. Listed in the SKY Refrigeration Catalogue under Liquid Controls, it provides a clear inspection point for refrigerant condition and moisture indication during system operation and service.
The 603-0606 uses a flare connection format and has a 76mm lay-in length, making it suitable for compatible systems requiring a 3/8" flare sight glass.
Key Features
3/8" male flare x female flare sight glass
Liquid and moisture indicating sight glass design
Fast and accurate tri-range moisture indicator
Wide viewing angle
Hermetically sealed construction
R-410A compatible
48bar safe working pressure
Suitable for refrigeration and HVAC-R liquid line applications
76mm lay-in length
Manufactured in accordance with ISO/AS 5149.2, as listed by SKY
Specifications
| Specification | Details |
|---|
| Product Code | 603-0606 |
| Brand | SKY Refrigeration |
| Product Type | Sight Glass |
| Catalogue Section | Liquid Controls |
| Connection Type | Male Flare x Female Flare |
| Size | 3/8" |
| Lay-In Length | 76mm |
| Moisture Indicator | Tri-range moisture indicator |
| Refrigerant Compatibility Note | R-410A compatible, as listed by SKY |
| Safe Working Pressure | 48bar SWP |
| Construction | Hermetically sealed |
| Source Note | Listed in SKY Refrigeration Catalogue 2025, Liquid Controls section |
Applications
Refrigeration liquid line monitoring
HVAC-R service and maintenance
Moisture indication in compatible refrigeration systems
Refrigerant flow inspection
Commercial refrigeration systems
Service replacement where a 3/8" flare sight glass is required
Safety & Documentation
Install only by licensed refrigeration technicians. Confirm refrigerant compatibility, flare size, pressure rating, system operating conditions and installation method before fitting.
The SKY 603-0606 is a trade-ready 3/8" flare sight glass for reliable liquid line inspection and moisture indication in compatible HVAC-R and refrigeration systems.
